/**
 * Copyright 2010 Tristan Slominski
 *
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.opensource.org/licenses/mit-license.php
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mindash.handlebars.client.places;

import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

import com.google.gwt.http.client.URL;

/**
 * Class naming all the places, parameter names, and some parameter values used
 * by the application.
 * 
 * @author Tristan Slominski
 * 
 */
public class Places {
  
  public static String paramsToUrlString(Map<String, String> params) {
    String result = "";
    
    // empty string if no params
    if (params.isEmpty()){
      return result;
    }
    
    result = result + "?";
    
    // assemble the string
    Iterator<Entry<String, String>> i = params.entrySet().iterator();
    while (i.hasNext()) {
      Entry<String, String> entry = i.next();
      result = result + URL.encode(entry.getKey() + "=" + entry.getValue());
      if (i.hasNext()) {
        result = result + "&";
      }
    }
    
    return result;
  }

}
